Huginn has yet to return. Odin isn't concerned, he's annoyed and that only serves to annoy him further. Patience is a rare commodity these days and his own impatience is it making it hard for him to concentrate, to think and work past the tug of "NOW NOW NOW" that has worked it's way into his system during the past week. The bigger picture, it seems, has temporarily escaped him.
Which is way he searches for a distraction, something not entirely unrelated and he finds it in a series of newspaper articles about the plight of a particular band of wild horses.
[Voice message left for Heimdall]
Finish digging whatever hole you've started and get back here.